Add proper heading whitespace

[mdwhatcott]

The headings for this article aren't rendering as such. Here's an example of how it's currently being rendered:

###How do I convince the rest of my team? In my travels I encounter many different software teams. Very few are high functioning Agile teams...

Here's how it will look with the changes made herein:

How do I convince the rest of my team?

In my travels I encounter many different software teams. Very few are high functioning Agile teams...

[mdwhatcott]

BTW, thanks for this article, as well as the two preceding it ("Where is the foreman?" and "Oh Foreman, Where art thou?"). Probably my favorite content on your blog.

[Stargator]

@unclebob